Pith Number

pith:BYMI5QWS

pith:2008:BYMI5QWSNKH4VOSO5ZTNQW7FFJ

not attested not anchored not stored refs pending

Bi-partite entanglement entropy in massive QFT with a boundary: the Ising model

Benjamin Doyon, Olalla A. Castro-Alvaredo

arxiv:0810.0219 v2 · 2008-10-01 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYMI5QWSNKH4VOSO5ZTNQW7FFJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Fusion of Integrable Defects and the Defect $g$-Function

Receipt and verification

First computed	2026-05-18T04:31:12.263921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e188ec2d26a8fcaba4eee66d85be52a4865b5dd87ad3a39b78d1d52b6720205

Aliases

arxiv: 0810.0219 · arxiv_version: 0810.0219v2 · doi: 10.48550/arxiv.0810.0219 · pith_short_12: BYMI5QWSNKH4 · pith_short_16: BYMI5QWSNKH4VOSO · pith_short_8: BYMI5QWS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BYMI5QWSNKH4VOSO5ZTNQW7FFJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0e188ec2d26a8fcaba4eee66d85be52a4865b5dd87ad3a39b78d1d52b6720205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a47e7215e39e1af053611fbb2d67b8e91cc8d45588e5053caea7f2542b2a93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-10-01T17:41:07Z",
    "title_canon_sha256": "223e926d75cfe7667ac3c54f6994fc18133f3b9f12dc96d9cffe9256a6e67ccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0219",
    "kind": "arxiv",
    "version": 2
  }
}